add font awesome to angular code example

Example 1: add font awesome to angular

<!--In the index.html-->
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.2.0/css/all.css" integrity="sha384-hWVjflwFxL6sNzntih27bfxkr27PmbbK/iSvJ+a4+0owXq79v+lsFkW54bOGbiDQ" crossorigin="anonymous">

Example 2: how to use the downloaded fontawsoem icons in angula

"apps": [
    {
      "root": "src",
      "outDir": "dist",
      ....
      "styles": [
          "styles.css",
          "../node_modules/bootstrap/dist/css/bootstrap.css",
          "../node_modules/font-awesome/css/font-awesome.css" // -here webpack will automatically build a link css element out of this!?
      ],
      ...
  }
  ]
],

Example 3: how to use fa-icon in angular

import { BrowserModule } from '@angular/platform-browser';import { NgModule } from '@angular/core'; import { AppComponent } from './app.component';import { FontAwesomeModule } from '@fortawesome/angular-fontawesome'; @NgModule({  imports: [    BrowserModule,    FontAwesomeModule  ],  declarations: [AppComponent],  bootstrap: [AppComponent]})export class AppModule { }